How often are LAX to MIA flights on time?

Flights from Los Angeles (LAX) to Miami (MIA) arrive on time 87% of the time across 19,315 flights of official data.

Which airline is most reliable on the LAX to MIA route?

Delta Air Lines has the best on-time record on this route at 90% across 1,426 flights.

Route reliability

Flights from Los Angeles to Miami arrive on time 87% of the time across 19,315 flights. Here’s how each airline really performs.

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On-time rate

19,315 flights

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg MIA → LAX.

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Are Some Airlines Really More Reliable Than Others?

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Score real LAX–MIA flights on reliability, weather, and connection safety — not just price.